import React, {Component} from 'react';
import {Link, Route} from 'react-router-dom';
import Detail from './Detail'

export default class Message extends Component {

  state = {
    messageArr: [
      {id: '01', title: '消息1'},
      {id: '02', title: '消息2'},
      {id: '03', title: '消息3'}
    ]
  }

  replaceShow = (id, title) => {
    // replace跳转+携带params参数
    // this.props.history.replace(`/home/message/detail/${id}/${title}`)

    // replace跳转+携带search参数
    // this.props.history.replace(`/home/message/detail?id=${id}&title=${title}`)

    // replace跳转+携带state参数
    this.props.history.replace('/home/message/detail', {id, title})
  }

  pushShow = (id, title) => {
    // push跳转+携带params参数
    // this.props.history.push(`/home/message/detail/${id}/${title}`)

    // push跳转+携带search参数
    // this.props.history.push(`/home/message/detail?id=${id}&title=${title}`)

    // push跳转+携带state参数
    this.props.history.push('/home/message/detail', {id, title})
  }

  back = () => {
    this.props.history.goBack()
  }
  forward = () => {
    this.props.history.goForward()
  }
  go = () => {
    this.props.history.go(-2)
  }

  render() {
    const {messageArr} = this.state
    return (
      <div>
        <ul>
          {
            messageArr.map(msgObj => {
              return (
                <li key={msgObj.id}>
                  {/* 向路由组件传递params参数 */}
                  {/*<Link to={`/home/message/detail/${msgObj.id}/${msgObj.title}`}>{msgObj.title}</Link>*/}

                  {/* 向路由组件传递search参数 */}
                  {/*<Link to={`/home/message/detail/?id=${msgObj.id}&title=${msgObj.title}`}>{msgObj.title}</Link>*/}

                  {/* 向路由组件传递state参数 */}
                  <Link to={{pathname: '/home/message/detail', state: {id: msgObj.id, title: msgObj.title}}}>{msgObj.title}</Link>

                  &nbsp;<button onClick={() => this.pushShow(msgObj.id, msgObj.title)}>push查看</button>
                  &nbsp;<button onClick={() => this.replaceShow(msgObj.id, msgObj.title)}>replace查看</button>
                </li>
              )
            })
          }
        </ul>
        <hr />
        {/* 声明接收params参数 */}
        {/*<Route path="/home/message/detail/:id/:title" component={Detail} />*/}

        {/* search参数无需声明接收 */}
        {/*<Route path="/home/message/detail" component={Detail} />*/}

        {/* state参数无需声明接收 */}
        <Route path="/home/message/detail" component={Detail} />

        <button onClick={this.back}>回退</button>&nbsp;
        <button onClick={this.forward}>前进</button>&nbsp;
        <button onClick={this.go}>go</button>
      </div>
    );
  }
}